| Oxygen | |
|---|---|
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| Sire | Emilius |
| Grandsire | Orville |
| Dam | Whizgig |
| Damsire | Rubens |
| Sex | Mare |
| Foaled | 1828 |
| Country | United Kingdom of Great Britain and Ireland |
| Colour | Bay |
| Breeder | George FitzRoy, 4th Duke of Grafton |
| Owner | Duke of Grafton |
| Trainer | Robert Stephenson |
| Record | 15:8-5-1 |
| Major wins | |
| Anson Stakes (1830) Clearwell Stakes (1830) Oaks Stakes (1831) Oatlands Stakes (1832) King's Plate at Newmarket (1832) | |
Oxygen (foaled 1828, died in winter 1854–1855) was a British Thoroughbred racehorse and broodmare who won the classic Oaks Stakes at Epsom Downs Racecourse in 1831. In a racing career which lasted from July 1830 until April 1833 she won eight of her fifteen races and finished second on five occasions. Oxygen's Oaks was the last of twenty classic wins for her owner George FitzRoy, 4th Duke of Grafton.[1]
Oxygen was regarded the leading two-year-old filly in the South of England in 1830, when she won two of her three races. At three she was beaten in a controversial race when odds-on favourite for the 1000 Guineas but returned to form to win the Oaks a month later. In the following year she won an important handicap race at Newmarket and defeated the leading stayer Lucetta in a King's Plate over three and a half miles. She was retired from racing after a single unsuccessful race as a five-year-old and was retired to stud, where she had some success as a broodmare.